Supplemental helmet protection attachment



FIG. 1 is an exploded front-perspective view of Embodiment 1 of a supplemental helmet protection attachment;

FIG. 2 is a front-perspective view thereof;

FIG. 3 is a rear-perspective view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a right-side view thereof, the left-side view (not shown) being a mirror image;

FIG. 9 is a right-side view thereof within its environment;

FIG. 10 is a front-perspective view of Embodiment 2 of a supplemental helmet protection attachment;

FIG. 11 is a rear-perspective view thereof;

FIG. 12 is a front view thereof;

FIG. 13 is a rear view thereof;

FIG. 14 is a bottom view thereof;

FIG. 15 is a top view thereof; and,

FIG. 16 is a right-side view thereof, the left-side view (not shown) being a mirror image.

The environmental structure shown in broken lines forms no part of the claimed design. 

CLAIM The ornamental design for a supplemental helmet protection attachment, as shown and described. 